: Check the metal strap extending from the receiver backward into the wood of the stock. 3. Decoding Cooey Model 840 Serial Numbers & Date Codes
There it was. A hairline fracture, expertly repaired with period-correct epoxy. Someone had loved this gun. Someone had fixed it.
No known official, public, online serial number lookup table exists for Cooey. Conclusion
If your Cooey 840 has a serial number, it is most likely stamped in one of the following locations: Cooey Model 840 Serial Number Lookup
Because the Model 840 has a specific production window, you can determine its age based on the company's ownership history. Production Years Key Identifying Features Model 84 1948 – 1967
Prior to 1968, Canadian firearm regulations did not mandate serial numbers on rimfire rifles or shotguns. Because Cooey focused on producing affordable, utilitarian firearms for the working class, they omitted serial numbers on most budget models to keep manufacturing costs low.
The story of dating a Cooey Model 840 is less about a formal database and more about playing detective with the steel itself. Because formal factory records for Cooey were largely lost or never centralized after the company was sold to Winchester : Check the metal strap extending from the
The Cooey Model 840 is a classic Canadian-made shotgun that has been a favorite among firearms enthusiasts for generations. Manufactured by the Cooey Machine & Tool Company, a renowned firearms producer in Long Branch, Ontario, Canada, the Model 840 is known for its reliability, durability, and accuracy. If you're a proud owner of a Cooey Model 840 or planning to purchase one, understanding the serial number lookup process can help you determine the production date, provenance, and other essential information about your firearm.
A serial number does not automatically make the gun more valuable. Collectors usually pay more for pre-1968 models with a pristine original finish and no serial number, or rare gauges like .410 bore and 28-gauge.
: Online communities like Canadian Gun Nutz or the RimfireCentral forums host specialized Cooey collectors who track known serial number ranges. No known official, public, online serial number lookup
Note: Unlike parent company Winchester's US-made firearms, a comprehensive, public, digit-by-digit ledger for Canadian Winchester-Cooey serial numbers does not exist. Collectors rely on archival catalogs and hardware variations to pin down exact years. Identifying the Gauge and Configuration
Early versions featured solid hardwood stocks (often birch or walnut) with a smooth finish. Late-production models from the 1970s often featured pressed checkering on the pistol grip and forend to mimic higher-end shotguns, or used cheaper laminates.
An upgraded version of the 840, produced around the same time. Winchester Model 37A: Followed the 370.
So how do you date your 840? Try these clues:
The Cooey Model 840 was produced from 1948 to 1970, with an estimated 16,000 units manufactured during this period. The serial number range for the Model 840 is as follows: